Finding the Fourth Proportional to 81,625,346.69, 112,717,840.79 and 51,865,797.48
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Solution
The fourth proportional to 81,625,346.69, 112,717,840.79 and 51,865,797.48 is: 71,622,369.03
Step by Step Solution
- Step 1: Write the proportion equation
81,625,346.69 : 112,717,840.79 = 51,865,797.48 : x - Step 2: Convert to fraction form
81,625,346.69/112,717,840.79 = 51,865,797.48/x - Step 3: Cross multiply
81,625,346.69x = 112,717,840.79 × 51,865,797.48 - Step 4: Simplify right side
81,625,346.69x = 5,846,200,702,537,694 - Step 5: Solve for x
x = 5,846,200,702,537,694/81,625,346.69 - Step 6: Final answer
x = 71,622,369.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.